السلام عليكم

لدي فورم php أريد ربطه برسائل بلوجر لكن المشكلة انه بدل الحروف العربية يرسل لي رموز غريبة

<!DOCTYPE html>

<head>
    <title>Form</title>
    <meta charset="utf-8" />
    <script src='

// function for check link function check_link() { var link = document.formcheck.linkk.value; $.post('check.php',{link:link},function(res){ if(res.statu == 'yes') { $('.form_send').prepend(''); $('#title').val(res.title); $('#link').val(res.link); $('.form_check').hide(); $('.form_send').show(); } else if(res.statu == 'link_error') { alert('link invalid.'); } else { alert('Empty Data'); } },'json'); } .form_send{display:none;} <?php

    if(isset($_POST['title']))
    {
        // post values
        $posttitle = htmlspecialchars($_POST['title']);
        $postlink = htmlspecialchars($_POST['link']);

        // check link and title
        if(!empty($posttitle))
        {
            // capthca secret key
            $secret = '6Le5w3MUAAAAANhjE0hCio3dAVBDtRAJg81QeZwr';

            $response = $_POST['g-recaptcha-response'];
            $ip = $_SERVER['REMOTE_ADDR'];

            // get captcha response
            $verify = file_get_contents('
            // decode response
            $json = json_decode($verify, true);

            // check captcha
            if(!$json['success'])
            {
                echo'Please check Captcha';
            }
            else
            {
                // here your email
                $my_email = 'asfardev.asfar@blogger.com';
                // here hosting email
                $server_email = 'contact@arabicbuzz.com';

                // explode link
                $linky = explode('/',$postlink);
                $lastEl = array_pop((array_slice($linky, -1)));

                // sending email
                mail($my_email, $posttitle, $lastEl, 'From:'.$server_email);

                echo 'data successfuly sended';
            }
        }
        else
        {
            echo'title or link is empty';
        }
    }
    ?>
    <div class="form_check">
        <form name="formcheck" action="" method="post">
            <label for="link">Link: </label>
            <input name="linkk" type="text" required="" />
            <br />
            <button type="button" onclick="check_link()">Check</button>
        </form>
    </div>

    <div class="form_send">
        <form action="" method="post">
            <label for="title">Title :</label>
            <input name="title" type="text" required="" id="title" />
            <br />
            <input name="link" type="hidden" id="link" />
            <br />
            <div class="g-recaptcha" data-sitekey="6Le5w3MUAAAAAFnRf187i2x5iu4XTwHq6cvhlE1N"></div>
            <br />
            <button type="submit">Submit</button>
        </form>
    </div>
</body>